package com.coder.bike.utils;

import cn.hutool.core.util.StrUtil;

import java.util.UUID;

public class FileUtils {
    public static String getFileExtension(String fileName) {
        return "." + StrUtil.subAfter(fileName, ".", true);
    }

    public static String getFileName() {
        return UUID.randomUUID().toString().replace("-", "");
    }

    public static String getFileName(String fileName) {
        return getFileName() + getFileExtension(fileName);
    }
}